<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            background-color: #000;
        }

        a {
            display: inline-block;
            width: 200px;
            height: 50px;
            text-align: center;
            /* 行高等于盒子高度就是垂直居中 */
            line-height: 50px;
            color: #fff;
            font-size: 22px;
            text-decoration: none;
        }

        a:hover {
            background-image: url();
            background-size: cover;
            background-repeat: no-repeat;
        }
    </style>
</head>

<body>
    <a href="#">专区说明</a>
    <a href="#">申请资格</a>
    <a href="#">兑换奖励</a>
    <a href="#">下载游戏</a>
</body>

</html>